茶叶 (cháyè) means "tea leaves" and refers to the dried leaves used to brew tea. It is the standard term for tea as a raw product, appearing in phrases like 发现茶叶 (discover tea leaves) and 茶叶市场 (tea leaf market).
这种茶叶是从云南运来的,品质很好。
zhè zhǒng cháyè shì cóng Yúnnán yùn lái de, pǐnzhì hěn hǎo.
This tea is shipped from Yunnan and is of very good quality.
他送了我一盒上好的茶叶。
tā sòng le wǒ yī hé shànghǎo de cháyè.
He gave me a box of fine tea.
奶奶习惯去市场上挑新鲜的茶叶。
nǎinai xíguàn qù shìchǎng shàng tiāo xīnxiān de cháyè.
Grandma is used to going to the market to pick out fresh tea leaves.